remain seated为什么有这种说法?be seated 是不是表被动?那被谁坐下?

remain seated为什么有这种说法?be seated 是不是表被动?那被谁坐下? remain seated和remain to be seated有什么不同 remain seated和remain to be seated有什么不同 remain seated和remain sitting哪个对?为什么? Please remain--------?为什么答案是seated而不是seating?remain seating不是也有保持坐着的状态的意思 Please remain seated 翻译? remain这个词后面到底怎么跟（有题）Please remain__until the plane has come to s complete stopA.to seat B.to be seated C.seating D.seated为什么答案选D,说什么考察非谓语动词,这个题为什么不能选B或者C remain to be done和remain seated 区别. 一个英语小问题Ladies and gentlemen,please remain seated until the plane has come to a complete stop seated .为什么用ed式 please remain _____ (seat) 为什么填seated啊?是因为remian + v.过去时 是固定搭配还是什么原因呢? 有关于seat的英语题 希望大家可以帮忙啊ladies and gentlemen ,please remain ( ) until the plane has come to a complete stop.A.seated B.seating 为什么不选B Please remain ( )until the plane has come to a complete stop.A to seat B.to be seated C.seating D.seated答案是D为什么不选A呢?讲讲 You are asked to remain _____ with safety belts fastened and with seats in an upright positionA seatingB seated C to seat D to be seated为什么选B,句子什么意思 Ladies and gentlemen,please remain __________ until the plane has come to a complete stop.A.seated B.seating C.to seat D.seat为什么选A? Ladies and gentleman,please remain ________ until the plane has come to a complete stop.A.seated B.seating C.to seat D.seat为什么不选B 为什么不用Seating 而用seated呢?有ING的用法吗? he found lucy seated quietly为什么不用Seating 而用seated呢?有ING的用法吗?he found lucy seated quietly The pilot asked the passenger to remain seated as the plane降落,为什么用seat的过去分词为什么不用现在分词,现在分词有表状态的意思啊另外,I often hear him (to) sing the song,可以将to sing 改为 singing吗! how sweet the music ()!应该填sound to 还是sound?Ladies and gentlemen,please remain __________ until the plane has come to a complete stop.A.seated B.seating C.to seat D.seat,为什么填seated?固定词组里remain只能和seat的过去分词搭